000			00342nam a2200157Ia 4500
008			170101s1991 xx 000 0 und d
082			_a513.83 S33T
100			_aSHARMA, J. N
245		0	_aTopology
250			_a16th ed
260			_bMeerut _c1991
300			_a505[6]p
650			_aTOPOLOGY
653			_aTOPOLOGY
942			_2ddc _cB
999			_c107636 _d107636